{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-20T07:41:25.257","vulnerabilities":[{"cve":{"id":"CVE-2022-49123","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2025-02-26T07:00:49.640","lastModified":"2025-10-01T20:15:48.900","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nath11k: Fix frames flush failure caused by deadlock\n\nWe are seeing below warnings:\n\nkernel: [25393.301506] ath11k_pci 0000:01:00.0: failed to flush mgmt transmit queue 0\nkernel: [25398.421509] ath11k_pci 0000:01:00.0: failed to flush mgmt transmit queue 0\nkernel: [25398.421831] ath11k_pci 0000:01:00.0: dropping mgmt frame for vdev 0, is_started 0\n\nthis means ath11k fails to flush mgmt. frames because wmi_mgmt_tx_work\nhas no chance to run in 5 seconds.\n\nBy setting /proc/sys/kernel/hung_task_timeout_secs to 20 and increasing\nATH11K_FLUSH_TIMEOUT to 50 we get below warnings:\n\nkernel: [  120.763160] INFO: task wpa_supplicant:924 blocked for more than 20 seconds.\nkernel: [  120.763169]       Not tainted 5.10.90 #12\nkernel: [  120.763177] \"echo 0 > /proc/sys/kernel/hung_task_timeout_secs\" disables this message.\nkernel: [  120.763186] task:wpa_supplicant  state:D stack:    0 pid:  924 ppid:     1 flags:0x000043a0\nkernel: [  120.763201] Call Trace:\nkernel: [  120.763214]  __schedule+0x785/0x12fa\nkernel: [  120.763224]  ? lockdep_hardirqs_on_prepare+0xe2/0x1bb\nkernel: [  120.763242]  schedule+0x7e/0xa1\nkernel: [  120.763253]  schedule_timeout+0x98/0xfe\nkernel: [  120.763266]  ? run_local_timers+0x4a/0x4a\nkernel: [  120.763291]  ath11k_mac_flush_tx_complete+0x197/0x2b1 [ath11k 13c3a9bf37790f4ac8103b3decf7ab4008ac314a]\nkernel: [  120.763306]  ? init_wait_entry+0x2e/0x2e\nkernel: [  120.763343]  __ieee80211_flush_queues+0x167/0x21f [mac80211 335da900954f1c5ea7f1613d92088ce83342042c]\nkernel: [  120.763378]  __ieee80211_recalc_idle+0x105/0x125 [mac80211 335da900954f1c5ea7f1613d92088ce83342042c]\nkernel: [  120.763411]  ieee80211_recalc_idle+0x14/0x27 [mac80211 335da900954f1c5ea7f1613d92088ce83342042c]\nkernel: [  120.763441]  ieee80211_free_chanctx+0x77/0xa2 [mac80211 335da900954f1c5ea7f1613d92088ce83342042c]\nkernel: [  120.763473]  __ieee80211_vif_release_channel+0x100/0x131 [mac80211 335da900954f1c5ea7f1613d92088ce83342042c]\nkernel: [  120.763540]  ieee80211_vif_release_channel+0x66/0x81 [mac80211 335da900954f1c5ea7f1613d92088ce83342042c]\nkernel: [  120.763572]  ieee80211_destroy_auth_data+0xa3/0xe6 [mac80211 335da900954f1c5ea7f1613d92088ce83342042c]\nkernel: [  120.763612]  ieee80211_mgd_deauth+0x178/0x29b [mac80211 335da900954f1c5ea7f1613d92088ce83342042c]\nkernel: [  120.763654]  cfg80211_mlme_deauth+0x1a8/0x22c [cfg80211 8945aa5bc2af5f6972336665d8ad6f9c191ad5be]\nkernel: [  120.763697]  nl80211_deauthenticate+0xfa/0x123 [cfg80211 8945aa5bc2af5f6972336665d8ad6f9c191ad5be]\nkernel: [  120.763715]  genl_rcv_msg+0x392/0x3c2\nkernel: [  120.763750]  ? nl80211_associate+0x432/0x432 [cfg80211 8945aa5bc2af5f6972336665d8ad6f9c191ad5be]\nkernel: [  120.763782]  ? nl80211_associate+0x432/0x432 [cfg80211 8945aa5bc2af5f6972336665d8ad6f9c191ad5be]\nkernel: [  120.763802]  ? genl_rcv+0x36/0x36\nkernel: [  120.763814]  netlink_rcv_skb+0x89/0xf7\nkernel: [  120.763829]  genl_rcv+0x28/0x36\nkernel: [  120.763840]  netlink_unicast+0x179/0x24b\nkernel: [  120.763854]  netlink_sendmsg+0x393/0x401\nkernel: [  120.763872]  sock_sendmsg+0x72/0x76\nkernel: [  120.763886]  ____sys_sendmsg+0x170/0x1e6\nkernel: [  120.763897]  ? copy_msghdr_from_user+0x7a/0xa2\nkernel: [  120.763914]  ___sys_sendmsg+0x95/0xd1\nkernel: [  120.763940]  __sys_sendmsg+0x85/0xbf\nkernel: [  120.763956]  do_syscall_64+0x43/0x55\nkernel: [  120.763966]  entry_SYSCALL_64_after_hwframe+0x44/0xa9\nkernel: [  120.763977] RIP: 0033:0x79089f3fcc83\nkernel: [  120.763986] RSP: 002b:00007ffe604f0508 EFLAGS: 00000246 ORIG_RAX: 000000000000002e\nkernel: [  120.763997] RAX: ffffffffffffffda RBX: 000059b40e987690 RCX: 000079089f3fcc83\nkernel: [  120.764006] RDX: 0000000000000000 RSI: 00007ffe604f0558 RDI: 0000000000000009\nkernel: [  120.764014] RBP: 00007ffe604f0540 R08: 0000000000000004 R09: 0000000000400000\nkernel: [  120.764023] R10: 00007ffe604f0638 R11: 0000000000000246 R12: 000059b40ea04980\nkernel: [  120.764032] R13: 00007ffe604\n---truncated---"},{"lang":"es","value":"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ath11k: Se corrige el error de vaciado de marcos causado por un bloqueo Vemos las siguientes advertencias: kernel: [25393.301506] ath11k_pci 0000:01:00.0: no se pudo vaciar la cola de transmisión mgmt 0 kernel: [25398.421509] ath11k_pci 0000:01:00.0: no se pudo vaciar la cola de transmisión mgmt 0 kernel: [25398.421831] ath11k_pci 0000:01:00.0: descartando marco mgmt para vdev 0, is_started 0 esto significa que ath11k no puede vaciar los marcos mgmt porque wmi_mgmt_tx_work no tiene posibilidad de ejecutarse en 5 segundos. Al establecer /proc/sys/kernel/hung_task_timeout_secs en 20 y aumentar ATH11K_FLUSH_TIMEOUT a 50 obtenemos las siguientes advertencias: kernel: [ 120.763160] INFO: tarea wpa_supplicant:924 bloqueada por más de 20 segundos. kernel: [ 120.763169] No contaminado 5.10.90 #12 kernel: [ 120.763177] \"echo 0 > /proc/sys/kernel/hung_task_timeout_secs\" deshabilita este mensaje. kernel: [ 120.763186] tarea:wpa_supplicant estado:D pila: 0 pid: 924 ppid: 1 indicadores:0x000043a0 kernel: [ 120.763201] Seguimiento de llamadas: kernel: [ 120.763214] __schedule+0x785/0x12fa kernel: [ 120.763224] ? lockdep_hardirqs_on_prepare+0xe2/0x1bb kernel: [ 120.763242] schedule+0x7e/0xa1 kernel: [ 120.763253] schedule_timeout+0x98/0xfe kernel: [ 120.763266] ? run_local_timers+0x4a/0x4a kernel: [ 120.763291] ath11k_mac_flush_tx_complete+0x197/0x2b1 [ath11k 13c3a9bf37790f4ac8103b3decf7ab4008ac314a] kernel: [ 120.763306] ? init_wait_entry+0x2e/0x2e kernel: [ 120.763343] __ieee80211_flush_queues+0x167/0x21f [mac80211 335da900954f1c5ea7f1613d92088ce83342042c] kernel: [ 120.763378] __ieee80211_recalc_idle+0x105/0x125 [mac80211 335da900954f1c5ea7f1613d92088ce83342042c] kernel: [ 120.763411] ieee80211_recalc_idle+0x14/0x27 [mac80211 335da900954f1c5ea7f1613d92088ce83342042c] kernel: [ 120.763441] ieee80211_free_chanctx+0x77/0xa2 [mac80211 335da900954f1c5ea7f1613d92088ce83342042c] kernel: [ 120.763473] __ieee80211_vif_release_channel+0x100/0x131 [mac80211 335da900954f1c5ea7f1613d92088ce83342042c] kernel: [ 120.763540] ieee80211_vif_release_channel+0x66/0x81 [mac80211 335da900954f1c5ea7f1613d92088ce83342042c] kernel: [ 120.763572] ieee80211_destroy_auth_data+0xa3/0xe6 [mac80211 335da900954f1c5ea7f1613d92088ce83342042c] kernel: [ 120.763612] ieee80211_mgd_deauth+0x178/0x29b [mac80211 335da900954f1c5ea7f1613d92088ce83342042c] kernel: [ 120.763654] cfg80211_mlme_deauth+0x1a8/0x22c [cfg80211 8945aa5bc2af5f6972336665d8ad6f9c191ad5be] kernel: [ 120.763697] nl80211_deauthenticate+0xfa/0x123 [cfg80211 8945aa5bc2af5f6972336665d8ad6f9c191ad5be] kernel: [ 120.763715] genl_rcv_msg+0x392/0x3c2 kernel: [ 120.763750] ? nl80211_associate+0x432/0x432 [cfg80211 8945aa5bc2af5f6972336665d8ad6f9c191ad5be] kernel: [ 120.763782] ? nl80211_associate+0x432/0x432 [cfg80211 8945aa5bc2af5f6972336665d8ad6f9c191ad5be] kernel: [ 120.763802] ? genl_rcv+0x36/0x36 kernel: [ 120.763814] netlink_rcv_skb+0x89/0xf7 kernel: [ 120.763829] genl_rcv+0x28/0x36 kernel: [ 120.763840] netlink_unicast+0x179/0x24b kernel: [ 120.763854] netlink_sendmsg+0x393/0x401 kernel: [ 120.763872] sock_sendmsg+0x72/0x76 kernel: [ 120.763886] ____sys_sendmsg+0x170/0x1e6 kernel: [ 120.763897] ? copy_msghdr_from_user+0x7a/0xa2 kernel: [ 120.763914] ___sys_sendmsg+0x95/0xd1 kernel: [ 120.763940] __sys_sendmsg+0x85/0xbf kernel: [ 120.763956] do_syscall_64+0x43/0x55 kernel: [ 120.763966] entry_SYSCALL_64_after_hwframe+0x44/0xa9 kernel: [ 120.763977] RIP: 0033:0x79089f3fcc83 kernel: [ 120.763986] RSP: 002b:00007ffe604f0508 EFLAGS: 00000246 ORIG_RAX: 000000000000002e núcleo: [ 120.763997] RAX: ffffffffffffffda RBX: 000059b40e987690 RCX: 000079089f3fcc83 núcleo: [ 120.764006] RDX: 0000000000000000 RSI: 00007ffe604f0558 RDI: 0000000000000009 núcleo: [ 120.764014] RBP: 00007ffe604f0540 R08: 0000000000000004 R09: 0000000000400000 núcleo: [ 120.764023] R10: 00007ffe604f0638 R11: 0000000000000246 R12: 000059b40ea04980 núcleo: [ 120.764032] R13: 00007ffe604 ---truncado---"}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-667"}]},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","description":[{"lang":"en","value":"CWE-667"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.17.3","matchCriteriaId":"68AC7372-D098-4584-A82A-1F7CD731042F"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/261b07519518bd14cb168b287b17e1d195f8d0c8","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/33e723dc054edfc94da90eecca3b72cb424ce4a3","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]}]}}]}